. >> i think it will allow you to have more access to your environment. you're never realizing what is around you if you do, you might spot sergio wearing the glasses. >> we have him on a subway we're sitting opposite a serious big data geek on the train. >> it looks like a public relations plan as every tech company seems to be working on glasses google is working on a reason for to you buy theirs. >> what kept everybody from commercializing this is figuringing oit secret sauce that would make ordinary users wanted to wear these things. >> coming up next, a supreme court justice revealing secrets from the past. >> introduction to witch craft. >> people understood what my purpose was in writing about it. that everybody has a >>> supreme court justice sot sotomayor told a crowd in san francisco her key to success. her rise from a bronx house prog jekt to highest court in the country is the subject of her new book. abc 7 news was at her book signing this afternoon. justice sotomayor came to talk about her journey as described in the new book. my beloved wor